Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (870,053 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 2
Ejike Ajaegwu
Stratigraphy
Sedimentology
Petroleum Geology and Groundwater exploration
Metrics
H-Index
i10 Index
Citation
13
16
526
* Rankings
Ranking Based On Selection: 3
Charles Malachy Okechukwu Nwaiwu
Geotechnical Engineering
Geoenvironmental Engineering
Soil Improvement
Metrics
H-Index
i10 Index
Citation
13
16
782
* Rankings
Ranking Based On Selection: 4
Chinwuko Ifeanyi Augustine
Exploration Geophysics
Structural Geology
Hydrogeophysics
Seismic Interpretation and modelling
Magnetic/Gravity Interpretati
Metrics
H-Index
i10 Index
Citation
12
16
477
* Rankings
Ranking Based On Selection: 5
Izuchukwu Ignatius Obiadi
Structural geology
Applied geophysics
Exploration geophysics
Environmental Geology
Metrics
H-Index
i10 Index
Citation
11
13
456
Okey Akpunonu
Petroleum Geology
Engineering Geology/Geotechnics
Geophysics
and Hydrogeology
Metrics
H-Index
i10 Index
Citation
9
9
283
Udeagha Onwuka
Environmental Management
Ecological Disaster Management
Environmental Geology
Metrics
H-Index
i10 Index
Citation
9
8
262
Onuigbo, EN
Sedimentology
Stratigraphy
Petroleum Geology
Paleobiology
Palynology and Environmental Geology
Metrics
H-Index
i10 Index
Citation
8
8
238

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Rankings
Ranking Based On Selection: 1
İfeanyichukwu Kenechukwu Agbonma
Metrics
H-Index
i10 Index
Citation Counts
17
37
799
Water resources
Hydro and Environmental Geology
Rankings
Ranking Based On Selection: 2
Ejike Ajaegwu
Metrics
H-Index
i10 Index
Citation Counts
13
16
526
Stratigraphy
Sedimentology
Petroleum Geology and Groundwater exploration
Rankings
Ranking Based On Selection: 3
Charles Malachy Okechukwu Nwaiwu
Metrics
H-Index
i10 Index
Citation Counts
13
16
782
Geotechnical Engineering
Geoenvironmental Engineering
Soil Improvement
Rankings
Ranking Based On Selection: 4
Chinwuko Ifeanyi Augustine
Metrics
H-Index
i10 Index
Citation Counts
12
16
477
Exploration Geophysics
Structural Geology
Hydrogeophysics
Seismic Interpretation and modelling
Magnetic/Gravity Interpretati
Rankings
Ranking Based On Selection: 5
Izuchukwu Ignatius Obiadi
Metrics
H-Index
i10 Index
Citation Counts
11
13
456
Structural geology
Applied geophysics
Exploration geophysics
Environmental Geology
Rankings
Ranking Based On Selection: 6
Anozie
Metrics
H-Index
i10 Index
Citation Counts
11
13
388
Rankings
Ranking Based On Selection: 7
Benard Ifeanyi Odoh
Metrics
H-Index
i10 Index
Citation Counts
10
10
413
Rankings
Ranking Based On Selection: 8
Okey Akpunonu
Metrics
H-Index
i10 Index
Citation Counts
9
9
283
Petroleum Geology
Engineering Geology/Geotechnics
Geophysics
and Hydrogeology
Rankings
Ranking Based On Selection: 9
Udeagha Onwuka
Metrics
H-Index
i10 Index
Citation Counts
9
8
262
Environmental Management
Ecological Disaster Management
Environmental Geology
Rankings
Ranking Based On Selection: 10
Onuigbo, EN
Metrics
H-Index
i10 Index
Citation Counts
8
8
238
Sedimentology
Stratigraphy
Petroleum Geology
Paleobiology
Palynology and Environmental Geology

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Nneji Ezenwa Gabriel
Metrics
H-Index
i10 Index
Citation Counts
8
8
259
Rankings
Ranking Based On Selection: 13
Oshim Francisca Ogechukwu
Metrics
H-Index
i10 Index
Citation Counts
2
0
5